Lewis

What Lewis means

Same root as Louis, meaning “loud; famous + battle”

Doublet of Louis || From French Louis, from Middle French Loïs, Loïc, &c., from Old French Looïs, Luis, Lodhuvigs, Lodevis, Lodhwig, &c., from Latin Ludovicus, from Clodovicus, from Frankish *Hlūdawīg, from Proto-Germanic *hlūdaz (“loud; famous”) + *wīgą (“bat

Source: Wiktionary, “Lewis” (revision 94541136) and “Louis” (revision 94541261), CC BY-SA 4.0. Quoted from the etymology; we don’t write our own.

How popular is Lewis?

US: Rising: up from #568 in 2015. England & Wales: Falling: down from #56 in 2015.

Biggest US share so far: 1880, when 517 boys got the name (#30 that year). First in the US records in 1880.

How common

• About 1 in 2,321 baby boys in the US in 2025
• About 1 in 1,259 baby boys in England and Wales in 2025
• About 1 in 130 baby boys in Scotland in 2025

“1 in N” divides by all listed births for that sex. The US list leaves out names given to fewer than 5 babies, and the UK lists leave out names given to 2 or fewer, so the real figure is a little rarer than shown.

Where in the US

Most popular in VT (4.13 per 1,000 boys), MT (2.66 per 1,000 boys), AK (2.2 per 1,000 boys) in 2025.

SSA state data, 2025. Share of all listed boys born in each state.

US vs UK

Lewis is #433 in the US and #231 in England & Wales (2025).

Same sex as this page (boys). SSA (US), ONS (England and Wales), NRS (Scotland).

Boy or girl?

In 2025, 99.9+% of US babies named Lewis were boys.

Counts below the publishing threshold (US 5, UK 3) are not included.

How to say it

IPA from Wiktionary.

If you like Lewis

Boys

• Warren#240“river, water”^*
• Marcel#730Editor’s note Up from #771 in 2015 to #730 in 2025 in the US
• Otis#652Editor’s note More popular in England & Wales than the US: #71 vs #652 in 2025
• Walter#251“ruler + army, host”^*
• Robin#703Diminutive of Robert, meaning “shining glory”^*
• Archie#301“anti-aircraft artillery”^*

For a sister

• Louise#514Feminine form of Louis, meaning “loud; famous + battle”^*
• Margot#102Editor’s note Climbing fast in the US: #592 in 2015, #102 in 2025
• Jane#221“God is gracious”^*
• Billie#691Diminutive of William, meaning “will + helmet”^*
• Louisa#694Form of Louis, meaning “loud; famous + battle”^*
• Colette#316Editor’s note Up from #525 in 2015 to #316 in 2025 in the US

Picked from the US top 1,000 in 2025: names Wiktionary also files under French, Germanic, whose US popularity since 1990 rose and fell most like Lewis’s. Rank is US 2025.